CN104074487B - Drawing type packer - Google Patents
Drawing type packer Download PDFInfo
- Publication number
- CN104074487B CN104074487B CN201410331318.8A CN201410331318A CN104074487B CN 104074487 B CN104074487 B CN 104074487B CN 201410331318 A CN201410331318 A CN 201410331318A CN 104074487 B CN104074487 B CN 104074487B
- Authority
- CN
- China
- Prior art keywords
- packing element
- spring
- slips
- cone
- drawing type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 241000239290 Araneae Species 0.000 claims abstract description 9
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 208000031481 Pathologic Constriction Diseases 0.000 claims 1
- 210000001215 vagina Anatomy 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000000280 densification Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410331318.8A CN104074487B (en) | 2014-07-11 | 2014-07-11 | Drawing type packer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410331318.8A CN104074487B (en) | 2014-07-11 | 2014-07-11 | Drawing type packer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104074487A CN104074487A (en) | 2014-10-01 |
CN104074487B true CN104074487B (en) | 2017-01-04 |
Family
ID=51596053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410331318.8A Expired - Fee Related CN104074487B (en) | 2014-07-11 | 2014-07-11 | Drawing type packer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104074487B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314511B (en) * | 2014-11-12 | 2016-08-24 | 中国石油天然气股份有限公司 | Compression type bottom sealing packer |
JP2019178569A (en) * | 2018-03-30 | 2019-10-17 | 株式会社クレハ | Downhole plug with protective member |
CN108716378B (en) * | 2018-08-21 | 2023-08-22 | 长江大学 | Mechanical switch type sleeve blocking tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2651434Y (en) * | 2003-08-23 | 2004-10-27 | 辽河石油勘探局工程技术研究院 | Small-well cracking packer |
CN201129161Y (en) * | 2007-12-28 | 2008-10-08 | 濮阳市东昊机械电子有限公司 | Small diameter compressing packer |
CN201396103Y (en) * | 2009-02-24 | 2010-02-03 | 阜宁县宏达石化机械有限公司 | Packer |
RU2453679C1 (en) * | 2011-01-12 | 2012-06-20 | Общество с ограниченной ответственностью Производственно-торговая фирма "НиГМаш" | Mechanical packer |
CN203626705U (en) * | 2013-10-31 | 2014-06-04 | 中国石油天然气股份有限公司 | Side-drilling slim hole fracturing packer |
CN204024578U (en) * | 2014-07-11 | 2014-12-17 | 中国石油大学(北京) | A kind of packer |
-
2014
- 2014-07-11 CN CN201410331318.8A patent/CN104074487B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN104074487A (en) | 2014-10-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Gu Daihong Inventor after: Liu Guangfeng Inventor after: Chai Chongjun Inventor after: Liu Jinchao Inventor after: Wang Zaiqiang Inventor after: Ren Guofu Inventor before: Gu Daihong Inventor before: Liu Guangfeng Inventor before: Chai Chongjun Inventor before: Liu Jinchao |
|
COR | Change of bibliographic data | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20161019 Address after: 102249 Beijing city Changping District Road No. 18 Applicant after: China University of Petroleum (Beijing) Applicant after: BEIJING FURUIKE PETROLEUM SCIENCE & TECHNOLOGY Co.,Ltd. Applicant after: BEIJING POLYDOCTOR PETROLEUM TECHNOLOGY Co.,Ltd. Applicant after: PETROCHINA OIL & GAS TECHNOLOGY Research Institute OF CHANGQING OIL FIELD Address before: 102249 Beijing city Changping District Road No. 18 Applicant before: China University of Petroleum (Beijing) Applicant before: BEIJING FURUIKE PETROLEUM SCIENCE & TECHNOLOGY Co.,Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 |